{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7"
            },
            {
              "fixed": "0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b"
            },
            {
              "fixed": "15c4cc3850cfe1b973eb7b63c02314b267f06a64"
            },
            {
              "fixed": "187069ccc3474516af32350e20d7e449160fa6de"
            },
            {
              "fixed": "81c9e7e4030e71391ab479c4c6e17b64802577aa"
            },
            {
              "fixed": "6c6ce2ccb4fcf1617fec83f91b21aa0265f30701"
            },
            {
              "fixed": "742001919653e7313b4e91780c5d108be1692365"
            },
            {
              "fixed": "02beb178e2e159daeb8f992d7abb16a37da31664"
            },
            {
              "fixed": "c02053a9055d5fdfd32432287cca8958db1d5bc5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.4.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.141"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53296.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: free channels on probe error\n\nOn probe error, free the previously obtained channels. This not only\nprevents a leak, but also UAF scenarios because the client structure\nwill be removed nonetheless because it was allocated with devm.",
  "id": "CVE-2026-53296",
  "modified": "2026-07-15T01:49:16.526748341Z",
  "published": "2026-06-26T19:40:54.341Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53296.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53296"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "mailbox: mailbox-test: free channels on probe error"
}